condition	mean	min	max
4 h after light	2.21964	2.0335	2.40578
8 h after light	1.1007055	0.805711	1.3957
12 h after light	0.689135	0.584755	0.793515
4 h after dark	1.8511600000000001	1.66971	2.03261
8 h after dark	1.268405	1.1843	1.35251
12 h after dark	1.80207	1.4701	2.13404